Packages

  • package root
    Definition Classes
    root
  • package play

    Play framework.

    Play framework.

    Play

    http://www.playframework.com

    Definition Classes
    root
  • package api

    Contains the public API for Scala developers.

    Contains the public API for Scala developers.

    Read configuration 
    val poolSize = configuration.getInt("engine.pool.size")
    Use the logger 
    Logger.info("Hello!")
    Define a Plugin 
    class MyPlugin(app: Application) extends Plugin
    Create adhoc applications (for testing) 
    val application = Application(new File("."), this.getClass.getClassloader, None, Play.Mode.DEV)
    Definition Classes
    play
  • package libs

    Contains various APIs that are useful while developing web applications.

    Contains various APIs that are useful while developing web applications.

    Definition Classes
    api
  • package json

    Json API

    Json API

    For example:

    import play.api.libs.json._
import play.api.libs.functional.syntax._

case class User(id: Long, name: String, friends: Seq[User] = Seq.empty)
object User {

  // In this format, an undefined friends property is mapped to an empty list
  implicit val format: Format[User] = (
    (__ \ "id").format[Long] and
    (__ \ "name").format[String] and
    (__ \ "friends").lazyFormatNullable(implicitly[Format[Seq[User]]])
      .inmap[Seq[User]](_ getOrElse Seq.empty, Some(_))
  )(User.apply, unlift(User.unapply))
}

object MyController extends play.api.mvc.Controller {
   def displayUserAsJson(id: String) = Action {
      Ok(Json.toJson(User(id.toLong, "myName")))
   }

   def saveUser(jsonString: String)= Action {
     val user = Json.parse(jsonString).as[User]
     //myDataStore.save(user)
     Ok
   }
}
    Definition Classes
    libs
  • trait DefaultWrites extends LowPriorityWrites

    Default Serializers.

    Default Serializers.

    Definition Classes
    json
  • BigDecimalWrites
  • BigIntWrites
  • BigIntegerWrites
  • BooleanWrites
  • ByteWrites
  • DefaultDateWrites
  • DefaultJodaDateWrites
  • DefaultJodaLocalDateWrites
  • DefaultJodaLocalTimeWrites
  • DoubleWrites
  • FloatWrites
  • IntWrites
  • JsValueWrites
  • JsonNodeWrites
  • LongWrites
  • ShortWrites
  • StringWrites
  • TemporalFormatter
  • UuidWrites

implicit object ByteWrites extends Writes[Byte]

Serializer for Byte types.

Source
Writes.scala
Linear Supertypes
Writes[Byte], AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. ByteWrites
  2. Writes
  3. AnyRef
  4. Any
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Visibility
  1. Public
  2. Protected

Value Members

  1. def contramap[B](f: (B) => Byte): Writes[B]

    Returns a new instance that first converts a B value to a A one, before converting this A value into a JsValue.

    Returns a new instance that first converts a B value to a A one, before converting this A value into a JsValue.

    Definition Classes
    Writes
  2. def transform(transformer: Writes[JsValue]): Writes[Byte]

    Transforms the resulting JsValue using a Writes[JsValue].

    Transforms the resulting JsValue using a Writes[JsValue].

    Definition Classes
    Writes
  3. def transform(transformer: (JsValue) => JsValue): Writes[Byte]

    Transforms the resulting JsValue using transformer function.

    Transforms the resulting JsValue using transformer function.

    Definition Classes
    Writes
  4. def writes(o: Byte): JsNumber

    Converts the A value into a JsValue.

    Converts the A value into a JsValue.

    Definition Classes
    ByteWrites → Writes